Changed <B>s to <STRONG>s, <I>s to <EM>s, brought most of the lines

	to less than 80 characters, and corrected the note about what
	characters aren't allowed in the path.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@78086 13f79535-47bb-0310-9956-ffa450edef68